xref: /openbmc/u-boot/include/efi_api.h (revision 66928afb6b55647a446560d32427a032e674301f)
1  /*
2   * Extensible Firmware Interface
3   * Based on 'Extensible Firmware Interface Specification' version 0.9,
4   * April 30, 1999
5   *
6   * Copyright (C) 1999 VA Linux Systems
7   * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
8   * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
9   *	David Mosberger-Tang <davidm@hpl.hp.com>
10   *	Stephane Eranian <eranian@hpl.hp.com>
11   *
12   * From include/linux/efi.h in kernel 4.1 with some additions/subtractions
13   */
14  
15  #ifndef _EFI_API_H
16  #define _EFI_API_H
17  
18  #include <efi.h>
19  
20  #ifdef CONFIG_EFI_LOADER
21  #include <asm/setjmp.h>
22  #endif
23  
24  /* Types and defines for EFI CreateEvent */
25  enum efi_event_type {
26  	EFI_TIMER_STOP = 0,
27  	EFI_TIMER_PERIODIC = 1,
28  	EFI_TIMER_RELATIVE = 2
29  };
30  
31  /* EFI Boot Services table */
32  struct efi_boot_services {
33  	struct efi_table_hdr hdr;
34  	efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl);
35  	void (EFIAPI *restore_tpl)(unsigned long old_tpl);
36  
37  	efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
38  					      efi_physical_addr_t *);
39  	efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
40  	efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
41  			struct efi_mem_desc *desc, unsigned long *key,
42  			unsigned long *desc_size, u32 *desc_version);
43  	efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
44  	efi_status_t (EFIAPI *free_pool)(void *);
45  
46  	efi_status_t (EFIAPI *create_event)(enum efi_event_type type,
47  			unsigned long notify_tpl,
48  			void (EFIAPI *notify_function) (void *event,
49  							void *context),
50  			void *notify_context, void **event);
51  	efi_status_t (EFIAPI *set_timer)(void *event, int type,
52  			uint64_t trigger_time);
53  	efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
54  			void *event, unsigned long *index);
55  	efi_status_t (EFIAPI *signal_event)(void *event);
56  	efi_status_t (EFIAPI *close_event)(void *event);
57  	efi_status_t (EFIAPI *check_event)(void *event);
58  
59  	efi_status_t (EFIAPI *install_protocol_interface)(
60  			void **handle, efi_guid_t *protocol,
61  			int protocol_interface_type, void *protocol_interface);
62  	efi_status_t (EFIAPI *reinstall_protocol_interface)(
63  			void *handle, efi_guid_t *protocol,
64  			void *old_interface, void *new_interface);
65  	efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
66  			efi_guid_t *protocol, void *protocol_interface);
67  	efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
68  					       void **);
69  	void *reserved;
70  	efi_status_t (EFIAPI *register_protocol_notify)(
71  			efi_guid_t *protocol, void *event,
72  			void **registration);
73  	efi_status_t (EFIAPI *locate_handle)(
74  			enum efi_locate_search_type search_type,
75  			efi_guid_t *protocol, void *search_key,
76  			unsigned long *buffer_size, efi_handle_t *buffer);
77  	efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
78  			struct efi_device_path **device_path,
79  			efi_handle_t *device);
80  	efi_status_t (EFIAPI *install_configuration_table)(
81  			efi_guid_t *guid, void *table);
82  
83  	efi_status_t (EFIAPI *load_image)(bool boot_policiy,
84  			efi_handle_t parent_image,
85  			struct efi_device_path *file_path, void *source_buffer,
86  			unsigned long source_size, efi_handle_t *image);
87  	efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
88  					   unsigned long *exitdata_size,
89  					   s16 **exitdata);
90  	efi_status_t (EFIAPI *exit)(efi_handle_t handle,
91  				    efi_status_t exit_status,
92  				    unsigned long exitdata_size, s16 *exitdata);
93  	efi_status_t (EFIAPI *unload_image)(void *image_handle);
94  	efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
95  
96  	efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
97  	efi_status_t (EFIAPI *stall)(unsigned long usecs);
98  	efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
99  			uint64_t watchdog_code, unsigned long data_size,
100  			uint16_t *watchdog_data);
101  	efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
102  			efi_handle_t *driver_image_handle,
103  			struct efi_device_path *remaining_device_path,
104  			bool recursive);
105  	efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
106  			void *driver_image_handle, void *child_handle);
107  #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
108  #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
109  #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
110  #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
111  #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
112  #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
113  	efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
114  			efi_guid_t *protocol, void **interface,
115  			efi_handle_t agent_handle,
116  			efi_handle_t controller_handle, u32 attributes);
117  	efi_status_t (EFIAPI *close_protocol)(void *handle,
118  			efi_guid_t *protocol, void *agent_handle,
119  			void *controller_handle);
120  	efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
121  			efi_guid_t *protocol,
122  			struct efi_open_protocol_info_entry **entry_buffer,
123  			unsigned long *entry_count);
124  	efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
125  			efi_guid_t ***protocol_buffer,
126  			unsigned long *protocols_buffer_count);
127  	efi_status_t (EFIAPI *locate_handle_buffer) (
128  			enum efi_locate_search_type search_type,
129  			efi_guid_t *protocol, void *search_key,
130  			unsigned long *no_handles, efi_handle_t **buffer);
131  	efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
132  			void *registration, void **protocol_interface);
133  	efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
134  			void **handle, ...);
135  	efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
136  			void *handle, ...);
137  	efi_status_t (EFIAPI *calculate_crc32)(void *data,
138  			unsigned long data_size, uint32_t *crc32);
139  	void (EFIAPI *copy_mem)(void *destination, void *source,
140  			unsigned long length);
141  	void (EFIAPI *set_mem)(void *buffer, unsigned long size,
142  			uint8_t value);
143  	void *create_event_ex;
144  };
145  
146  /* Types and defines for EFI ResetSystem */
147  enum efi_reset_type {
148  	EFI_RESET_COLD = 0,
149  	EFI_RESET_WARM = 1,
150  	EFI_RESET_SHUTDOWN = 2
151  };
152  
153  /* EFI Runtime Services table */
154  #define EFI_RUNTIME_SERVICES_SIGNATURE	0x5652453544e5552ULL
155  #define EFI_RUNTIME_SERVICES_REVISION	0x00010000
156  
157  struct efi_runtime_services {
158  	struct efi_table_hdr hdr;
159  	efi_status_t (EFIAPI *get_time)(struct efi_time *time,
160  			struct efi_time_cap *capabilities);
161  	efi_status_t (EFIAPI *set_time)(struct efi_time *time);
162  	efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
163  			struct efi_time *time);
164  	efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
165  			struct efi_time *time);
166  	efi_status_t (EFIAPI *set_virtual_address_map)(
167  			unsigned long memory_map_size,
168  			unsigned long descriptor_size,
169  			uint32_t descriptor_version,
170  			struct efi_mem_desc *virtmap);
171  	efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
172  	efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
173  			efi_guid_t *vendor, u32 *attributes,
174  			unsigned long *data_size, void *data);
175  	efi_status_t (EFIAPI *get_next_variable)(
176  			unsigned long *variable_name_size,
177  			s16 *variable_name, efi_guid_t *vendor);
178  	efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
179  			efi_guid_t *vendor, u32 attributes,
180  			unsigned long data_size, void *data);
181  	efi_status_t (EFIAPI *get_next_high_mono_count)(
182  			uint32_t *high_count);
183  	void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
184  				    efi_status_t reset_status,
185  				    unsigned long data_size, void *reset_data);
186  	void *update_capsule;
187  	void *query_capsule_caps;
188  	void *query_variable_info;
189  };
190  
191  /* EFI Configuration Table and GUID definitions */
192  #define NULL_GUID \
193  	EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
194  		 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
195  
196  #define LOADED_IMAGE_PROTOCOL_GUID \
197  	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
198  		 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
199  
200  #define EFI_FDT_GUID \
201  	EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
202  		 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
203  
204  #define SMBIOS_TABLE_GUID \
205  	EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
206  		 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
207  
208  struct efi_configuration_table
209  {
210  	efi_guid_t guid;
211  	void *table;
212  };
213  
214  #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
215  
216  struct efi_system_table {
217  	struct efi_table_hdr hdr;
218  	unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
219  	u32 fw_revision;
220  	unsigned long con_in_handle;
221  	struct efi_simple_input_interface *con_in;
222  	unsigned long con_out_handle;
223  	struct efi_simple_text_output_protocol *con_out;
224  	unsigned long stderr_handle;
225  	struct efi_simple_text_output_protocol *std_err;
226  	struct efi_runtime_services *runtime;
227  	struct efi_boot_services *boottime;
228  	unsigned long nr_tables;
229  	struct efi_configuration_table *tables;
230  };
231  
232  #define LOADED_IMAGE_GUID \
233  	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
234  		 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
235  
236  struct efi_loaded_image {
237  	u32 revision;
238  	void *parent_handle;
239  	struct efi_system_table *system_table;
240  	void *device_handle;
241  	void *file_path;
242  	void *reserved;
243  	u32 load_options_size;
244  	void *load_options;
245  	void *image_base;
246  	aligned_u64 image_size;
247  	unsigned int image_code_type;
248  	unsigned int image_data_type;
249  	unsigned long unload;
250  
251  	/* Below are efi loader private fields */
252  #ifdef CONFIG_EFI_LOADER
253  	efi_status_t exit_status;
254  	struct jmp_buf_data exit_jmp;
255  #endif
256  };
257  
258  #define DEVICE_PATH_GUID \
259  	EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
260  		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
261  
262  #define DEVICE_PATH_TYPE_END			0x7f
263  #  define DEVICE_PATH_SUB_TYPE_END		0xff
264  
265  struct efi_device_path {
266  	u8 type;
267  	u8 sub_type;
268  	u16 length;
269  };
270  
271  struct efi_mac_addr {
272  	u8 addr[32];
273  };
274  
275  #define DEVICE_PATH_TYPE_MESSAGING_DEVICE	0x03
276  #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR	0x0b
277  
278  struct efi_device_path_mac_addr {
279  	struct efi_device_path dp;
280  	struct efi_mac_addr mac;
281  	u8 if_type;
282  };
283  
284  #define DEVICE_PATH_TYPE_MEDIA_DEVICE		0x04
285  #  define DEVICE_PATH_SUB_TYPE_FILE_PATH	0x04
286  
287  struct efi_device_path_file_path {
288  	struct efi_device_path dp;
289  	u16 str[32];
290  };
291  
292  #define BLOCK_IO_GUID \
293  	EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
294  		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
295  
296  struct efi_block_io_media
297  {
298  	u32 media_id;
299  	char removable_media;
300  	char media_present;
301  	char logical_partition;
302  	char read_only;
303  	char write_caching;
304  	u8 pad[3];
305  	u32 block_size;
306  	u32 io_align;
307  	u8 pad2[4];
308  	u64 last_block;
309  };
310  
311  struct efi_block_io {
312  	u64 revision;
313  	struct efi_block_io_media *media;
314  	efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
315  			char extended_verification);
316  	efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
317  			u32 media_id, u64 lba, unsigned long buffer_size,
318  			void *buffer);
319  	efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
320  			u32 media_id, u64 lba, unsigned long buffer_size,
321  			void *buffer);
322  	efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
323  };
324  
325  struct simple_text_output_mode {
326  	s32 max_mode;
327  	s32 mode;
328  	s32 attribute;
329  	s32 cursor_column;
330  	s32 cursor_row;
331  	bool cursor_visible;
332  };
333  
334  struct efi_simple_text_output_protocol {
335  	void *reset;
336  	efi_status_t (EFIAPI *output_string)(
337  			struct efi_simple_text_output_protocol *this,
338  			const unsigned short *str);
339  	efi_status_t (EFIAPI *test_string)(
340  			struct efi_simple_text_output_protocol *this,
341  			const unsigned short *str);
342  	efi_status_t(EFIAPI *query_mode)(
343  			struct efi_simple_text_output_protocol *this,
344  			unsigned long mode_number, unsigned long *columns,
345  			unsigned long *rows);
346  	efi_status_t(EFIAPI *set_mode)(
347  			struct efi_simple_text_output_protocol *this,
348  			unsigned long mode_number);
349  	efi_status_t(EFIAPI *set_attribute)(
350  			struct efi_simple_text_output_protocol *this,
351  			unsigned long attribute);
352  	efi_status_t(EFIAPI *clear_screen) (
353  			struct efi_simple_text_output_protocol *this);
354  	efi_status_t(EFIAPI *set_cursor_position) (
355  			struct efi_simple_text_output_protocol *this,
356  			unsigned long column, unsigned long row);
357  	efi_status_t(EFIAPI *enable_cursor)(
358  			struct efi_simple_text_output_protocol *this,
359  			bool enable);
360  	struct simple_text_output_mode *mode;
361  };
362  
363  struct efi_input_key {
364  	u16 scan_code;
365  	s16 unicode_char;
366  };
367  
368  struct efi_simple_input_interface {
369  	efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
370  			bool ExtendedVerification);
371  	efi_status_t(EFIAPI *read_key_stroke)(
372  			struct efi_simple_input_interface *this,
373  			struct efi_input_key *key);
374  	void *wait_for_key;
375  };
376  
377  #define CONSOLE_CONTROL_GUID \
378  	EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
379  		 0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
380  #define EFI_CONSOLE_MODE_TEXT	0
381  #define EFI_CONSOLE_MODE_GFX	1
382  
383  struct efi_console_control_protocol
384  {
385  	efi_status_t (EFIAPI *get_mode)(
386  			struct efi_console_control_protocol *this, int *mode,
387  			char *uga_exists, char *std_in_locked);
388  	efi_status_t (EFIAPI *set_mode)(
389  			struct efi_console_control_protocol *this, int mode);
390  	efi_status_t (EFIAPI *lock_std_in)(
391  			struct efi_console_control_protocol *this,
392  			uint16_t *password);
393  };
394  
395  #define EFI_GOP_GUID \
396  	EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
397  		 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
398  
399  #define EFI_GOT_RGBA8		0
400  #define EFI_GOT_BGRA8		1
401  #define EFI_GOT_BITMASK		2
402  
403  struct efi_gop_mode_info
404  {
405  	u32 version;
406  	u32 width;
407  	u32 height;
408  	u32 pixel_format;
409  	u32 pixel_bitmask[4];
410  	u32 pixels_per_scanline;
411  };
412  
413  struct efi_gop_mode
414  {
415  	u32 max_mode;
416  	u32 mode;
417  	struct efi_gop_mode_info *info;
418  	unsigned long info_size;
419  	efi_physical_addr_t fb_base;
420  	unsigned long fb_size;
421  };
422  
423  #define EFI_BLT_VIDEO_FILL		0
424  #define EFI_BLT_VIDEO_TO_BLT_BUFFER	1
425  #define EFI_BLT_BUFFER_TO_VIDEO		2
426  #define EFI_BLT_VIDEO_TO_VIDEO		3
427  
428  struct efi_gop
429  {
430  	efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
431  					  unsigned long *size_of_info,
432  					  struct efi_gop_mode_info **info);
433  	efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
434  	efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
435  				   unsigned long operation, unsigned long sx,
436  				   unsigned long sy, unsigned long dx,
437  				   unsigned long dy, unsigned long width,
438  				   unsigned long height, unsigned long delta);
439  	struct efi_gop_mode *mode;
440  };
441  
442  #define EFI_SIMPLE_NETWORK_GUID \
443  	EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
444  		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
445  
446  struct efi_mac_address {
447  	char mac_addr[32];
448  };
449  
450  struct efi_ip_address {
451  	u8 ip_addr[16];
452  };
453  
454  enum efi_simple_network_state {
455  	EFI_NETWORK_STOPPED,
456  	EFI_NETWORK_STARTED,
457  	EFI_NETWORK_INITIALIZED,
458  };
459  
460  struct efi_simple_network_mode {
461  	enum efi_simple_network_state state;
462  	u32 hwaddr_size;
463  	u32 media_header_size;
464  	u32 max_packet_size;
465  	u32 nvram_size;
466  	u32 nvram_access_size;
467  	u32 receive_filter_mask;
468  	u32 receive_filter_setting;
469  	u32 max_mcast_filter_count;
470  	u32 mcast_filter_count;
471  	struct efi_mac_address mcast_filter[16];
472  	struct efi_mac_address current_address;
473  	struct efi_mac_address broadcast_address;
474  	struct efi_mac_address permanent_address;
475  	u8 if_type;
476  	u8 mac_changeable;
477  	u8 multitx_supported;
478  	u8 media_present_supported;
479  	u8 media_present;
480  };
481  
482  #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
483  #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
484  #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
485  #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
486  #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
487  
488  struct efi_simple_network
489  {
490  	u64 revision;
491  	efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
492  	efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
493  	efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
494  			ulong extra_rx, ulong extra_tx);
495  	efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
496  			int extended_verification);
497  	efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
498  	efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
499  			u32 enable, u32 disable, int reset_mcast_filter,
500  			ulong mcast_filter_count,
501  			struct efi_mac_address *mcast_filter);
502  	efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
503  			int reset, struct efi_mac_address *new_mac);
504  	efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
505  			int reset, ulong *stat_size, void *stat_table);
506  	efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
507  			int ipv6, struct efi_ip_address *ip,
508  			struct efi_mac_address *mac);
509  	efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
510  			int read_write, ulong offset, ulong buffer_size,
511  			char *buffer);
512  	efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
513  			u32 *int_status, void **txbuf);
514  	efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
515  			ulong header_size, ulong buffer_size, void *buffer,
516  			struct efi_mac_address *src_addr,
517  			struct efi_mac_address *dest_addr, u16 *protocol);
518  	efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
519  			ulong *header_size, ulong *buffer_size, void *buffer,
520  			struct efi_mac_address *src_addr,
521  			struct efi_mac_address *dest_addr, u16 *protocol);
522  	void (EFIAPI *waitforpacket)(void);
523  	struct efi_simple_network_mode *mode;
524  };
525  
526  #define EFI_PXE_GUID \
527  	EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
528  		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
529  
530  struct efi_pxe_packet {
531  	u8 packet[1472];
532  };
533  
534  struct efi_pxe_mode
535  {
536  	u8 unused[52];
537  	struct efi_pxe_packet dhcp_discover;
538  	struct efi_pxe_packet dhcp_ack;
539  	struct efi_pxe_packet proxy_offer;
540  	struct efi_pxe_packet pxe_discover;
541  	struct efi_pxe_packet pxe_reply;
542  };
543  
544  struct efi_pxe {
545  	u64 rev;
546  	void (EFIAPI *start)(void);
547  	void (EFIAPI *stop)(void);
548  	void (EFIAPI *dhcp)(void);
549  	void (EFIAPI *discover)(void);
550  	void (EFIAPI *mftp)(void);
551  	void (EFIAPI *udpwrite)(void);
552  	void (EFIAPI *udpread)(void);
553  	void (EFIAPI *setipfilter)(void);
554  	void (EFIAPI *arp)(void);
555  	void (EFIAPI *setparams)(void);
556  	void (EFIAPI *setstationip)(void);
557  	void (EFIAPI *setpackets)(void);
558  	struct efi_pxe_mode *mode;
559  };
560  
561  #endif
562